Timeusb 24V 50Ah
#18 in 24VFull review
The lowest-cost way into lithium for a 24V trolling motor on a small boat. Buyers who want an app should spend a little more on a Bluetooth 50Ah.
Amazon $252.99$252.99
The Timeusb 24V 50Ah is the better 24V or 36V lithium battery overall, rated 3.4 to 2.8. The Timeusb 24V 50Ah leads on value. The Battle Born 24V 50Ah Heated wins on warranty and cold weather. The Timeusb 24V 50Ah costs $746.01 less ($252.99 vs $999).
Battle Born 24V 50Ah Heated
#25 in 24VFull review
For cold-climate RV and boat owners who want a heated battery with a long US-backed warranty. Cheaper heated options give more capacity for the money.
Battle Born $999$999
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Timeusb 24V 50Ah for value ($0.20 per rated Wh vs $0.78 per rated Wh).
- Choose the Battle Born 24V 50Ah Heated for warranty (10-year warranty vs 5-year warranty) and cold weather (self-heating, so it charges below freezing vs stops charging below freezing (no heater)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 24V 24V or 36V lithium battery; a clear win is highlighted. How we rank explains each one.
| Factor weight | Timeusb 24V 50Ah | Battle Born 24V 50Ah Heated |
|---|---|---|
| Overall rating | 3.4/5 | 2.8/5 |
| Value 35% | 76 $0.20 per rated Wh | 0 $0.78 per rated Wh |
| Tested capacity 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Output 15% | 17 50 A continuous (about 1,280 W at 25.6 V) | 17 50 A continuous (about 1,280 W at 25.6 V) |
| Warranty 15% | 50 5-year warranty | 100 10-year warranty |
| Cycle life 10% | 50 4,000 cycles, maker rating | 33 3,000 cycles, maker rating |
| Cold weather 10% | 60 stops charging below freezing (no heater) | 100 self-heating, so it charges below freezing |
Specifications
| Timeusb 24V 50Ah | Battle Born 24V 50Ah Heated | |
|---|---|---|
| Capacity | ||
| Rated capacity | 50 Ah (1,280 Wh) | 50 Ah (1,280 Wh) |
| Nominal voltage | 25.6 V | 25.6 V |
| Chemistry | LiFePO4 | LiFePO4 |
| Rated cycle life | 4,000 | 3,000 |
| Price per Wh | $0.20 | $0.78 |
| BMS | ||
| Continuous discharge | 50 A | 50 A |
| Peak discharge | 250 A | 100 A |
| Max charge current | - | 25 A |
| Low-temperature charging | Charge cutoff only | Self-heating |
| Series / parallel | up to 2 in series, 4 in parallel | up to 2 in series |
| Build | ||
| Case size | Group 24 | Group 27 / Group 31 |
| Dimensions | 10.24 x 6.61 x 8.27 in | 12.76 x 6.86 x 8.95 in |
| Weight | 21.2 lb | 31 lb |
| Terminals | - | 0.25 in brass flag terminals |
| Water resistance | IP65 | - |
| Warranty | 5 years | 10 years |
| Released | 2024-10 | 2026-06 |